Mullet Bay, Sint Maarten: vitamin D, best months and travel guide
Wide golden beach popular for bodyboarding. Best for: families, locals-style travellers.
The best months for vitamin D in Mullet Bay are October, December to June, when a full dose takes about 6 minutes at midday. Rainy or stormy from July to September and in November.
Mullet Bay month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.0 h | 6.8 | 8 min | 27°C | 11/30 |
| February | Excellent | 7.3 h | 7.5 | 7 min | 26°C | 10/30 |
| March | Excellent | 8.4 h | 8.8 | 6 min | 27°C | 7/30 |
| April | Excellent | 8.8 h | 9.1 | 6 min | 27°C | 14/30 |
| May | Excellent | 8.9 h | 8.9 | 6 min | 29°C | 12/30 |
| June | Excellent | 8.8 h | 8.4 | 6 min | 29°C | 14/30 |
| July | Bad weather | 8.9 h | 8.6 | 6 min | 29°C | 18/30 |
| August | Bad weather | 8.7 h | 8.8 | 6 min | 29°C | 20/30 |
| September | Bad weather | 8.4 h | 8.5 | 6 min | 30°C | 18/30 |
| October | Excellent | 7.7 h | 7.7 | 7 min | 30°C | 9/30 |
| November | Bad weather | 6.3 h | 6.2 | 9 min | 29°C | 23/30 |
| December | Good | 6.8 h | 6.2 | 9 min | 28°C | 14/30 |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.
What to expect in Mullet Bay
Wide golden beach popular for bodyboarding. A dry season from December to April and hurricane risk from June to November. Most visitors arrive by plane or cruise ship. Cruise days are crowded.
In Mullet Bay afternoon highs average from 26°C in February to 30°C in October. The wettest month is November (about 23 rainy days out of 30) and the driest is March (7). Midday UV peaks at 9.1 in April, which is very strong, so protect your skin.
More about Sint Maarten · Sint Maarten in March · Best places in March
Questions about Mullet Bay
When is the best time to visit Mullet Bay for vitamin D?
The best months for vitamin D in Mullet Bay are October, December to June, when a full dose takes about 6 minutes at midday.
What is the weather like in Mullet Bay?
Afternoon highs average from 26°C in February to 30°C in October. The wettest month is November, with about 23 rainy days out of 30.
Which months should I avoid in Mullet Bay?
For a beach stay, avoid the months when it is rainy or stormy from July to September and in November.